diff --git a/lib/php-config-manager.sh b/lib/php-config-manager.sh
index f365ca4..447b8d7 100644
--- a/lib/php-config-manager.sh
+++ b/lib/php-config-manager.sh
@@ -297,13 +297,18 @@ modify_fpm_pool_setting() {
         return 1
     fi
 
-    # Check if setting exists
-    if grep -q "^${setting}\s*=" "$pool_config"; then
+    # Escape setting and value for sed (handle special chars like dots)
+    local setting_escaped=$(printf '%s\n' "$setting" | sed -e 's/[\.&|/\]/\\&/g')
+    local value_escaped=$(printf '%s\n' "$value" | sed -e 's/[\.&|/\]/\\&/g')
+
+    # Check if setting exists (with proper escaping for regex)
+    local setting_regex=$(printf '%s\n' "$setting" | sed -e 's/[\.&|/\[^$*]/\\&/g')
+    if grep -q "^${setting_regex}\s*=" "$pool_config"; then
         # Replace existing value
-        sed -i "s|^${setting}\s*=.*|${setting} = ${value}|" "$pool_config"
-    elif grep -q "^;${setting}\s*=" "$pool_config"; then
+        sed -i "s|^${setting_escaped}\s*=.*|${setting} = ${value}|" "$pool_config"
+    elif grep -q "^;${setting_regex}\s*=" "$pool_config"; then
         # Uncomment and set value
-        sed -i "s|^;${setting}\s*=.*|${setting} = ${value}|" "$pool_config"
+        sed -i "s|^;${setting_escaped}\s*=.*|${setting} = ${value}|" "$pool_config"
     else
         # Add new setting at end of file
         echo "${setting} = ${value}" >> "$pool_config"
@@ -330,13 +335,18 @@ modify_php_ini_setting() {
         return 1
     fi
 
-    # Check if setting exists
-    if grep -q "^${setting}\s*=" "$php_ini"; then
+    # Escape setting and value for sed (handle special chars like dots)
+    local setting_escaped=$(printf '%s\n' "$setting" | sed -e 's/[\.&|/\]/\\&/g')
+    local value_escaped=$(printf '%s\n' "$value" | sed -e 's/[\.&|/\]/\\&/g')
+
+    # Check if setting exists (with proper escaping for regex)
+    local setting_regex=$(printf '%s\n' "$setting" | sed -e 's/[\.&|/\[^$*]/\\&/g')
+    if grep -q "^${setting_regex}\s*=" "$php_ini"; then
         # Replace existing value
-        sed -i "s|^${setting}\s*=.*|${setting} = ${value}|" "$php_ini"
-    elif grep -q "^;${setting}\s*=" "$php_ini"; then
+        sed -i "s|^${setting_escaped}\s*=.*|${setting} = ${value}|" "$php_ini"
+    elif grep -q "^;${setting_regex}\s*=" "$php_ini"; then
         # Uncomment and set value
-        sed -i "s|^;${setting}\s*=.*|${setting} = ${value}|" "$php_ini"
+        sed -i "s|^;${setting_escaped}\s*=.*|${setting} = ${value}|" "$php_ini"
     else
         # Add new setting at end of file
         echo "${setting} = ${value}" >> "$php_ini"
diff --git a/modules/performance/php-optimizer.sh b/modules/performance/php-optimizer.sh
index 97df25e..5e6d6c5 100755
--- a/modules/performance/php-optimizer.sh
+++ b/modules/performance/php-optimizer.sh
@@ -1151,10 +1151,14 @@ modify_php_ini_setting() {
     # Backup before modifying
     cp "$ini_file" "$ini_file.backup.$$" 2>/dev/null || return 1
 
-    # Check if setting exists
-    if grep -q "^$setting" "$ini_file"; then
-        # Replace existing setting
-        sed -i "s/^$setting.*/$setting = $value/" "$ini_file" 2>/dev/null || {
+    # Escape setting and value for sed (handle special chars like dots, slashes)
+    local setting_escaped=$(printf '%s\n' "$setting" | sed -e 's/[\.&/\]/\\&/g')
+    local value_escaped=$(printf '%s\n' "$value" | sed -e 's/[\.&/\]/\\&/g')
+
+    # Check if setting exists (use literal grep, not regex)
+    if grep -q "^$(printf '%s\n' "$setting" | sed -e 's/[[\.*^$/]/\\&/g')" "$ini_file"; then
+        # Replace existing setting (use | as sed delimiter to avoid / conflicts)
+        sed -i "s|^$setting_escaped.*|$setting = $value_escaped|" "$ini_file" 2>/dev/null || {
             mv "$ini_file.backup.$$" "$ini_file"
             return 1
         }
@@ -2878,6 +2882,7 @@ optimize_level_5_everything() {
                     cecho "  ${GREEN}✓${NC} $domain: FPM settings optimized"
                     cecho "    pm.max_children: ${recommended_max} | pm.max_requests: ${recommended_requests}"
                     optimized=$((optimized + 1))
+                    changes_log+=("$domain: pm.max_children=$recommended_max, pm.max_requests=$recommended_requests")
 
                     # Show profile data if available
                     if [ "$profiles_exist" = "1" ] && [ -f "/tmp/php-domain-profiles/$domain.profile" ]; then
@@ -2904,7 +2909,7 @@ optimize_level_5_everything() {
 
                 # Enable OPcache if needed
                 if [ "${opcache_needs_enable[$domain]}" = "1" ]; then
-                    if enable_opcache "$ini_file" >/dev/null 2>&1; then
+                    if enable_opcache "$ini_file"; then
                         local avg_rpm
                         avg_rpm=$(calculate_avg_requests_per_minute "$username" 24 | cut -d'|' -f1)
                         # Calculate available memory for OPcache (remaining from 60% allocation minus PHP-FPM needs)
@@ -2913,11 +2918,12 @@ optimize_level_5_everything() {
                         local optimal_opcache_mem
                         optimal_opcache_mem=$(calculate_optimal_opcache_memory "$avg_rpm" "$available_for_opcache")
 
-                        modify_php_ini_setting "$ini_file" "opcache.memory_consumption" "$optimal_opcache_mem" >/dev/null 2>&1
-
-                        if validate_php_ini "$ini_file" >/dev/null 2>&1; then
-                            cecho "  ${GREEN}✓${NC} $domain: OPcache enabled (${optimal_opcache_mem})"
-                            opcache_enabled=$((opcache_enabled + 1))
+                        if modify_php_ini_setting "$ini_file" "opcache.memory_consumption" "$optimal_opcache_mem"; then
+                            if validate_php_ini "$ini_file" >/dev/null 2>&1; then
+                                cecho "  ${GREEN}✓${NC} $domain: OPcache enabled (${optimal_opcache_mem})"
+                                opcache_enabled=$((opcache_enabled + 1))
+                                changes_log+=("$domain: OPcache enabled with $optimal_opcache_mem")
+                            fi
                         fi
                     fi
                 fi